The Multiquip 0489202230 O Ring Casing is a genuine OEM replacement designed for the QP-151 trash pump. As an authentic Multiquip part, it is manufactured to the exact material grade and dimensional tolerances required for a proper seal in the pump casing assembly. This part is a direct match for QP-151 equipment, so you can install it with confidence and get your pump back in service fast.
Key Features
- Exact-Profile Sealing — Engineered to the precise cross-section and durometer required by the QP-151 casing bore, ensuring full compression and a leak-free seal at the pump housing joint.
- Genuine OEM Material Grade — Manufactured from the OEM-specified elastomer compound, providing the correct resistance to water, debris-laden fluids, and the pressure cycles typical of trash pump operation.
- Drop-In Replacement for QP-151 — Matched directly to the QP-151 pump casing interface, this o-ring seats into the existing groove without modification, restoring the casing assembly to original condition.
- Maintains Pump Output Pressure — A correctly seated casing o-ring prevents internal pressure loss between the volute and casing halves, keeping the pump operating at its rated flow and discharge capacity.
- Prevents Casing Joint Leaks — A worn or damaged casing o-ring allows water and slurry to bypass the pump internals, causing visible external leaking and a drop in pumping performance — replacing it promptly avoids more extensive repairs.
The casing o-ring forms the primary seal between the two halves of the pump casing on the QP-151 trash pump. It sits in a machined groove around the volute housing and, when correctly compressed, prevents fluid from escaping at the casing joint while maintaining internal pressure needed to move water efficiently through the pump. Over time, exposure to abrasive slurry, UV, and repeated pressure cycles causes the o-ring to harden, flatten, or crack — once it loses its ability to compress evenly, the pump will begin to leak externally or lose prime, signaling it is time for replacement.
Need help confirming this is the right part for your equipment? Contact the DHS Equipment parts team with your model and serial number and we will verify fitment before you order.
Part Details
| Part Number | 0489202230 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | O Ring Casing |
Compatibility & Fitment
| Name | Model |
|---|---|
| QP-151 | QP-151 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
